import React from 'react'
import Home from './Home'
import About from './About'
import { NavLink, Outlet,useNavigate } from 'react-router-dom'

export default function Main() {

  

  const navigate = useNavigate()
  return (
    <div>
      <div className="row">
        <div className="col-xs-offset-2 col-xs-8">
          <div className="page-header"><h2>React Router Demo</h2></div>
          <button onClick={()=>{navigate(1)}}>前进</button>
          <button onClick={()=>{navigate(-1)}}>后退</button>
        </div>
      </div>
      <div className="row">
        <div className="col-xs-2 col-xs-offset-2">
          <div className="list-group">
            <NavLink className="list-group-item" to={'/main/about'}>About</NavLink>
            <NavLink className="list-group-item" to={'/main/home'}>Home</NavLink>
          </div>
        </div>
        <div className="col-xs-6">
          <div className="panel">
            <div className="panel-body">
              <Outlet/>
            </div>
          </div>
        </div>
      </div>
    </div>
  )
}
